Vitoradial 300-T

Viessmann Gas Boilers
Vitoradial 300-T
Oil/ gas condensing boiler

Vitoradial 300-T

Condensing boiler utilisation with downstream stainless steel radial heat exchanger.

  • Nominal heat output: 101 to 545 kW
  • Standard utilisation rate: up to 97 % (Hs)
  • Inox radial heat exchangers
  • Environmentally friendly operation

Vitoradial 300-T

The Vitoradial 300‑T is a high‑performance oil/gas condensing boiler designed for commercial buildings, multi‑residential projects, and modernisation applications. With a heating output range from 101 to 545 kW, it combines high efficiency, robust construction, and compact design to deliver economical and environmentally responsible heating.

Thanks to the Inox‑Radial stainless steel heat exchanger, long burner runtimes, and intelligent Vitotronic digital control, the Vitoradial 300‑T ensures reliable operation, reduced emissions, and seamless integration into modern building automation systems.

Vitoradial 300-T

Wide Power Range

Heating outputs from 101 to 545 kW, suitable for large residential, commercial, and institutional buildings.

Inox‑Radial Stainless Steel Heat Exchanger

Corrosion‑resistant stainless steel construction ensures long service life, high efficiency, and reliable condensing operation.

Complete Hydraulic Package

Supplied complete with heat exchanger piping and pump, matched precisely to the boiler’s heat output.

Integrated Therm‑Control Start‑Up Circuit

Simplifies hydraulic integration: No return temperature increase required No admixture pump required Reducing installation complexity and cost.

Vitotronic Digital Control System

Advanced control platform providing:

Precise temperature regulation
Burner management
System safety monitoring

Colour Touch Display

Clear graphical interface for intuitive operation by facility managers and service technicians.

Integrated Wi‑Fi Service Interface

Enables:

Remote diagnostics
Faster service response
Simplified maintenance planning

Building Management System (BMS) Integration

Via Vitogate 300, the boiler can be fully integrated into:

Central building automation
Energy monitoring systems
Fault and status reporting platforms

Document Name Description Document Type Language Action
Data Sheet Vitoradial 300-T PDF German Download
Short Brochure Oil/Gas Boiler Vitoradial 300-T PDF German Download
Technology brochure Oil/Gas/Condensing Technology PDF German Download
Why is the Vitoradial 300‑T well suited for boiler replacement projects?

Its compact design, low installation height, and simplified hydraulics make it ideal for replacing older boilers in existing plant rooms.

How does Therm‑Control reduce installation complexity?

The integrated Therm‑Control start‑up circuit eliminates the need for:

Return temperature boosting
Additional mixing circuits
Saving space, time, and installation cost.

What advantages do long burner runtimes offer?

Longer runtimes mean:

Fewer start‑stop cycles
Lower emissions
Reduced component wear
Improved seasonal efficiency.

Why is no water shortage protection required?

The boiler design allows safe operation without additional water shortage devices, reducing system cost and installation effort.

Is the Vitoradial 300‑T suitable for unmanned boiler rooms?

Yes. With Vitotronic digital control, remote monitoring, and BMS integration, it is ideal for unattended or centrally monitored installations.

Similar Products

Vitoradial 300-T
Oil/ gas condensing boiler

Vitoradial 300-T

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